US stock futures have moved higher today ahead of a Federal Reserve meeting where the policymakers may reiterate their promise to maintain interest rates at low levels for an "extended period" of time for the last time. While futures on S&P 500 added 1 point to 1146.70, those on Nasdaq 100 moved up 2.25 points to 1919.20. Meanwhile, Dow Jones Industrial Average futures rose 7 points.